[Geysers] Fwd: Fw: Volcano from Space Station

[Anglgrlsnt at aol.com]

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 From: Geyser8
To: Anglgrlsnt
Sent: 6/30/2009 11:37:23 A.M. Mountain  Daylight Time
Subj: Fwd: Fw: Volcano from Space Station





  
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 From: MNSGLASSER
To: Geyser8
Sent: 6/29/2009 9:54:33 P.M. Mountain  Daylight Time
Subj: Fwd: Fw: Volcano from Space Station


Sorry to send a forward, but I thought you'd love this  one.........S
 
 
  
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Sent: 6/29/2009 4:21:57 P.M.  Pacific Daylight Time
Subj: Fw: Volcano from Space Station




   








 (mailto:CORVSEL at aol.com) 
Stunning pictures of  the volcano that blew a hole in the sky as astronauts 
witness  eruption from International Space  Station



By _Eddie Wrenn_ 
(http://www.dailymail.co.uk/home/search.html?s=y&authornamef=Eddie+Wrenn) 
Last updated at  10:24 PM on 24th June 2009 


Framed by a circle of clouds,  this is a stunning illustration of Nature's 
powerful force. 
A plume of smoke, ash and steam  soars five miles into the sky from an 
erupting volcano. 
The extraordinary image was  captured by the crew of the International 
Space Station 220  miles above a remote Russian island in the North Pacific. 

_Enlarge  _ 
(http://i.dailymail.co.uk/i/pix/2009/06/24/article-0-0575A7AC000005DC-176_634x422_popup.jpg)  
Bird's eye view: Safe from harm, NASA scientists look down on  the Sarychev 
Peak volcano as the dramatic eruption takes place.  The force of the blast 
sends clouds scattering 
The round hole in the clouds is  thought to have been caused by the 
shockwave of the initial  explosion. At the centre lies the billowing mushroom 
tower of  grey and brown ash. 

For volcano experts, the most  exciting part of the image is the layer of 
smooth white cloud  that caps the plume - a little like a layer of snow on a  
mushroom. 
This cap of condensed air is  created from the rapid rising and then 
cooling of the air  directly above the ash column.. When moist, warm air rises  
quickly it creates a cloud. 






As the ISS continues its perfectly-timed flyby, the eruption  continues 
unabated. The perfect 'plume' at the top of the  volcano implies there is no 
shearing wind, which would have  disrupted the pattern 

 
Stretching behind the volcano lies the vast shadow caused by  the eruption, 
as the blast continues to grow 
This cap, which meteorologists  call a pileus cloud, is already beginning 
to break up in these  images - and would have vanished soon afterwards. 
Far below, a thunderous line of  light grey cloud can be seen falling down 
the sloping sides of  the volcano. 

This is a deadly pyroclastic  flow - a mixture of hot gas and ash that 
destroys everything in  its path. 

Reaching temperatures of 600C  (1,112F) and moving at 130mph, a pyroclastic 
flow is the most  dangerous part of a volcanic eruption. 



_Enlarge  _ 
(http://i.dailymail.co.uk/i/pix/2009/06/24/article-1195215-05770858000005DC-610_306x245_popup.jpg) 
_Enlarge  _ 
(http://i.dailymail.co.uk/i/pix/2009/06/24/article-1195215-05770BF1000005DC-696_306x245_popup.jpg) 

Where in the world? Sarychev Peak is to the north of Japan  and east of 
Russia

Thankfully, Matua Island is  uninhabited. The eruption of Sarychev Peak 
began a week ago and  is still under way. The International Space Station has  
continued to track the ash cloud over the last few days. 
The plume is a few hundred miles  from one of the world's busiest air 
corridors. Hundreds of  flights across the Pacific have been diverted to avoid 
any  chance of it knocking out plane engines.
Sarychev Peak is one of the most  active volcanoes in Russia's Kuril 
archipelago. Eruptions have  been recorded as far back as the 1700s, with the last 
known one  in 1989. 



These images show the plume drifting through the atmosphere  in the hours 
and days after the eruption




Between the two overpasses on June 14, the ash spread north  and west from 
the volcano


By June 15, the ash had spread out to the east and west 

You've seen the hole in  the clouds - now see the hole in the universe:


A hole in the  clouds is one thing, but a hole in the fabric of the 
universe is  quite another. 
With interstellar  matter evenly distributed across the skies, this black 
anomaly  is a bit of a head-scratcher - is it a black hole? A worm-hole?  A 
stairway to Heaven? Or just the start of the collapse of the  universe, which 
doomsayers assure us will start in  2012? 
No, it's none of these  things. Instead, its a dark molecular cloud - a 
mass of of dust  and gases which combine to blank out all the visible light 
from  the background stars. 
Many of these 'dark  absorption nebulae' have been discovered across the 
galaxy, with  this one called Barnard 68 in the Ophiuchus  constellation. 

 
NASA's picture of the 'hole in the sky' - now known to be a  dark molecular 
cloud absorbing all the visible light from stars  behind it 
Measurements place this  at a relatively close 500 light years away - much 
further away  and the odds are there would be stars visible in front of  
Barnard 68. 
It is calculated to be  about half-a-light year across (a light-year being 
the distance  light can travel through a vacuum in the course of a  year). 
How they are formed is  unknown, but clouds such as this are thought to be 
a birthing  place for new stars. 













 
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